Warm-blooded is an informal term referring to animal species which can maintain a body temperature higher than their environment. In particular, homeothermic species maintain a stable body temperature by regulating metabolic processes. ... Other species have various degrees of thermoregulation.

How is warm bloodedness an advantage to birds?

Warm-blooded animals—which include mammals and birds—can maintain a body temperature than their environment, but use a lot of calories doing so. ... This would seem to give warm-blooded animals, relative to cold-blooded creates, a huge advantage in the fight against pathogens," Logan said.

How do warm-blooded animals regulate temperature?

This is because in warm-blooded animals, the heat they lose is proportional to the surface area of their bodies, while the heat they produce is proportional to their mass. This means that larger warm-blooded animals can generate more heat than they lose and they can keep their body temperatures stable more easily.